package cn.qicaiwang.open.framework.exception;


import cn.qicaiwang.open.common.enums.ResultStatusCodeEnum;
import cn.qicaiwang.open.common.exception.BusinessException;
import cn.qicaiwang.open.common.response.ResponseResult;
import lombok.extern.slf4j.Slf4j;
import org.springframework.security.access.AccessDeniedException;
import org.springframework.web.HttpRequestMethodNotSupportedException;
import org.springframework.web.bind.MethodArgumentNotValidException;
import org.springframework.web.bind.annotation.ExceptionHandler;
import org.springframework.web.bind.annotation.RestControllerAdvice;

import javax.servlet.http.HttpServletRequest;

/**
 * 全局异常处理器
 */
@Slf4j
@RestControllerAdvice
public class GlobalExceptionHandler {
    /**
     * 权限校验异常
     */
    @ExceptionHandler(AccessDeniedException.class)
    public ResponseResult handleAccessDeniedException(AccessDeniedException e, HttpServletRequest request) {
        e.printStackTrace();
        String requestURI = request.getRequestURI();
        log.error("请求地址'{}',权限校验失败'{}'", requestURI, e.getMessage());
        return ResponseResult.error(ResultStatusCodeEnum.HTTP_FORBIDDEN);
    }

    /**
     * 请求方式不支持
     */
    @ExceptionHandler(HttpRequestMethodNotSupportedException.class)
    public ResponseResult handleHttpRequestMethodNotSupported(HttpRequestMethodNotSupportedException e,
                                                          HttpServletRequest request) {
        String requestURI = request.getRequestURI();
        log.error("请求地址'{}',不支持'{}'请求", requestURI, e.getMethod());
        return ResponseResult.error(e.getMessage());
    }

    /**
     * 业务异常
     */
    @ExceptionHandler(BusinessException.class)
    public ResponseResult handleServiceException(BusinessException e) {
        return ResponseResult.error(e);
    }

    /**
     * 拦截未知的运行时异常
     */
    @ExceptionHandler(RuntimeException.class)
    public ResponseResult handleRuntimeException(RuntimeException e, HttpServletRequest request) {
        String requestURI = request.getRequestURI();
        log.error("请求地址'{}',发生未知异常.", requestURI, e);
        return ResponseResult.error(ResultStatusCodeEnum.HTTP_ERROR.getDesc());
    }

    /**
     * 系统异常
     */
    @ExceptionHandler(Exception.class)
    public ResponseResult handleException(Exception e, HttpServletRequest request) {
        String requestURI = request.getRequestURI();
        log.error("请求地址'{}',发生系统异常.", requestURI, e);
        return ResponseResult.error(e.getMessage());
    }

    /**
     * 自定义验证异常
     */
    @ExceptionHandler(MethodArgumentNotValidException.class)
    public Object handleMethodArgumentNotValidException(MethodArgumentNotValidException e) {
        String message = e.getBindingResult().getFieldError().getDefaultMessage();
        return ResponseResult.error(ResultStatusCodeEnum.PARAM_ILLEGAL.getCode(), message);
    }

}
